Dear HDF5 User Community,
We are seeking your input on the standardization effort for HDF5.
In April 2006 a request for comments (RFC) was posted from the NASA Earth
Science Data System Working Group with regards to proposing HDF5 and
HDF-EOS5 as community standards.
If you are interested in seeing HDF5 as one of the standards for
scientific data exchange or you wish to share your experience with HDF5 or
HDF-EOS5, we encourage you to participate in the review process and to
send your comments to: spg-rfc-007@lists.nasa.gov
Please see the original announcement attached below for the review
details. The new deadline is July 31, 2006.
Thank you!
-----Original Message-----
From: R. Ullman (for ES-DSWG Standards)
Sent: Wednesday, April 26, 2006 6:37 AM
To: Recipient List Suppressed
Subject: [Spg-announce] Request for Comment,NASA Use of HDF for Earth Science Data
NASA Data Systems Stakeholders:
Data systems standards are a central enabling component of NASA's strategy for
the Earth science data systems. The Earth Science Data Systems Working Group
(ESDSWG) for Standards is charged with recommending data systems standards that
will enhance interoperation of Earth science data systems within the agency and
with partnering organizations. We do this through open review of standards
submitted by community stakeholders for endorsement by NASA. It is absolutely
essential that members of communities that may be impacted by proposed
standards provide input in this process.
We are seeking your comment on the Hierarchical Data Format version 5 (HDF5)
and/or the Hierarchical Data Format - Earth Observing System version 5
(HDF-EOS5) specifications, both of which are proposed as community standards
endorsed for use by NASA data systems. These specifications describe
scientific data models, file formats, associated software libraries and
application programming interfaces (APIs). We would appreciate your comments
on any of these components that you have experience with.
The latest versions of the HDF and associated HDF-EOS specifications were
submitted to the standards process; these are HDF5 and HDF-EOS5. HDF5
represents a significant departure from previous versions of HDF. HDF-EOS5
supports HDF5, but maintains the previous HDF-EOS interface to the extent
possible. Due to the fact that the HDF-EOS5 specification is a profile of the
HDF5 specification, the SPG are referencing both specifications in a single
review request. Users are requested to review the specification that they are
most familiar with. It is however expected that some users may wish to review
both.
The HDF5 and HDF-EOS5 developers have provided "Requests for Comments"
documenting their respective specifications (see links below). The Standards
Process Group (SPG) has determined that these proposals are relevant to Earth
science data and there is indication of community support especially in, but
certainly not limited to, EOS standard data products.
The scope of the present review is experience with implementation. If you
have experience in defining or implementing data in HDF5 or HDF-EOS5, in
developing software tools for HDF5 or HDF-EOS5, or in implementing or
modifying HDF5 or HDF-EOS5 software libraries, we'd like to hear from you. If
you have tried to work with HDF5 or HDF-EOS5 but abandoned the effort for
whatever reason, we'd like to hear about that experience as well. We'd also
like to hear from those with experiences with similar data formats about the
appropriateness of the proposed specification. The attached PDF document
provides guidance.
Links:
The HDF5 Proposal (ESE-RFC-007)
HDF 5 Main Document:
http://spg.gsfc.nasa.gov/rfc/ese-rfc-007/ese-rfc-007v0-02.pdf/view
HDF 5 Appendix A:
http://spg.gsfc.nasa.gov/rfc/ese-rfc-007/apdxa_h5-format.pdf/view
HDF 5 Appendix B:
http://spg.gsfc.nasa.gov/rfc/ese-rfc-007/apdxb_h5-rm.pdf/view
The HDF-EOS5 Proposal (ESE-RFC-008)
http://spg.gsfc.nasa.gov/rfc/ese-rfc-008/ese-rfc-008v0-01.pdf/view
HDF Review Template:
http://spg.gsfc.nasa.gov/rfc/ese-rfc-007/hdf_review2.doc/view
About the Standards Process:
overview: http://spg.gsfc.nasa.gov/About/
charter: http://spg.gsfc.nasa.gov/rfc/ese-rfc-001/
process details: http://spg.gsfc.nasa.gov/rfc/ese-rfc-002
Comments should be sent before May 26 [extended to July 31] to
spg-rfc-007@lists.nasa.gov
Thank you,
Richard Ullman
~ for the Technical Working Group (TWG) for ESE-RFC-007 and 008
--
Richard E. Ullman
NASA
Goddard Space Flight Center
richard.e.ullman@nasa.gov
+1 301 614-5228
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